TN620 and PV720 Cermet Grades for Steel Machining

Kyocera’s revolutionary new cermet grades adopt hybrid technology. Both new cermet grades, TN620 and PV720, are ideal for steel machining. Achieve an excellent surface finish as well as improved stability when machining steel with both TN620 and PV720 cermet grades.

Hybrid cermet promises an excellent surface finish. The key to the excellent performance is Kyocera’s hybrid technology. Both TN620 and PV720 have a special surface-hardened hybrid structure, which gives the surface and inner structures unique compositions.

Compared to a conventional micrograin cermet, the surface area is harder and more wear resistant, whereas the inner structure is superior in chipping resistance and thermal-shock resistance. The result is the optimal balance between wear resistance and fracture resistance, allowing both grades to succeed in a wide range of machining conditions.

The improved oxidation resistance of TN620 and PV720 results from a high-melting-point hybrid bonded phase, which combines the conventional cermet bonded phase and a special high-melting metallic bonded phase.

PV720 has special titanium nitride layers and the proprietary MEGACOAT NANO coating to improve performance and help easily identify the insert’s corner usage.

Test after test has shown longer tool life and increased performance of TN620 and PV720. Talk to a Kyocera representative to see for yourself how these new cermet grades can improve your steel machining.